← All parts

    Baldwin PT304 cross reference

    By-Pass Lube Spin-on with Mason Jar Screw

    Parts listed as equivalent to the Baldwin PT304. Checked 2026-11-11. Confirm thread size, gasket and length against your old part before installing, and follow your engine maker's spec.

    What it fits

    Kohler, Link-Belt, Oliver Equipment; Waukesha Engines

    As published in Baldwin Product Guide (Form 562-25). Check your exact engine before buying.

    Direct matches

    Need this part installed?

    Find a nearby shop or mobile mechanic on Repairius.

    Get it done